@teachyouman on Instagram: "This is how a simple bell siphon can clear an entire flooded floor using nothing but physics — no pumps, no electricity. Once the water level reaches a certain height, the bell siphon traps air and creates a pressure difference. Gravity then pulls the water down continuously, draining the area until air enters again and breaks the siphon. Safety note: Bell siphons work only when properly sized and sealed. Debris can block the system and reduce efficiency. Use protecti

how to fix dislocated kneecap / patellar dislocation / হাঁটুর হাড় সরে গেলে কীভাবে বসাবেন। #shorts 🔥